module ghg_forcing_mod

  implicit none

  private

  public ghg_forcing_init
  public ghg_forcing_get_co2
  public ghg_forcing_final

contains

  subroutine ghg_forcing_init()

  end subroutine ghg_forcing_init

  subroutine ghg_forcing_get_co2(lon, lat, p, co2_mr)

    real(8), intent(in) :: lon
    real(8), intent(in) :: lat
    real(8), intent(in) :: p
    real(8), intent(out) :: co2_mr

  end subroutine ghg_forcing_get_co2

  subroutine ghg_forcing_final()

  end subroutine ghg_forcing_final

end module ghg_forcing_mod
